Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Moronidae (Temperate basses)
Etymology: saxatilis: saxatilis --- living among rocks (Ref. 1998).

Environment / Climate / Range Ecology

Marine; freshwater; brackish; demersal; anadromous (Ref. 51243); depth range 30 - ? m (Ref. 2850). Temperate; 8°C - 25°C (Ref. 47172); 46°N - 24°N, 94°W - 44°W

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 200 cm TL male/unsexed; (Ref. 5723); common length : 120 cm TL male/unsexed; (Ref. 9988); max. published weight: 57.0 kg (Ref. 2850); max. reported age: 30 years (Ref. 1468)

Short description Morphology | Morphometrics

Dorsal spines (total): 9 - 11; Dorsal soft rays (total): 10-13; Anal spines: 3; Anal soft rays: 7 - 13

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions | Faunafri

Western Atlantic: St. Lawrence River in Canada to St. John's River in northern Florida and northern Gulf of Mexico; from fresh and brackish tributaries of western Florida to Louisiana in the USA. Introduced to other countries.

Inhabit coastal waters and are commonly found in bays but may enter rivers in the spring to spawn (Ref. 2850). Some populations are landlocked (Ref. 7251). Voracious and opportunistic feeder (Ref. 5951). Larvae feed on zooplankton; juveniles take in small shrimps and other crustaceans, annelid worms, and insects (Ref. 1998, 10294); adults feed on a wide variety of fishes (alewives, herring, smelt, eels, flounders, mummichogs, rock gunnels, sand lance, silver hake and silversides (Ref. 5951)) and invertebrates (squid, crabs, sea worms and amphipods (Ref. 5951)), mainly crustaceans (Ref. 1998). Feeding ceases shortly before spawning (Ref. 1998). Utilized fresh and eaten broiled and baked (Ref. 9988).

Main reference Upload your references | References | Coordinator : Heemstra, Phillip C. | Collaborators

Heemstra, P.C., 1995. Moronidae. Lubinas. p. 1289-1292. In W. Fischer, F. Krupp, W. Schneider, C. Sommer, K.E. Carpenter and V. Niem (eds.) Guia FAO para Identification de Especies para lo Fines de la Pesca. Pacifico Centro-Oriental. 3 Vols. FAO, Rome.

IUCN Red List Status (Ref. 90363)

Not Evaluated

Threat to humans

Harmless

Human uses

Fisheries: minor commercial; aquaculture: commercial; gamefish: yes

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Estimates of some properties based on empirical models

Phylogenetic diversity index (Ref. 82805): PD₅₀ = 0.5781 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00768 (-0.11561 - 0.13098), b=3.04840 (2.96647 - 3.13033), based on LWR estimates for species & family-BS (Ref. 93245).

Trophic Level (Ref. 69278): 4.5 ±0.8 se; Based on diet studies.

Resilience (Ref. 69278): Low, minimum population doubling time 4.5 - 14 years (K=0.12; tm=5-7; tmax=30; Fec=14,000).

Vulnerability (Ref. 59153): High vulnerability (61 of 100) .

Price category (Ref. 80766): Medium.

Morone saxatilis (Walbaum, 1792)